      var youTubeChannelURL = "http://www.youtube.com/user/letutovideo";
	
	//optional parameters-----------------------------------------------
	var youTubePlaylistURL = "";
	var youmaxDefaultTab = "uploads";
	var youmaxColumns = 3;	
	var youmaxWidgetWidth = 900;
	//var youmaxWidgetHeight = ;
	var showFeaturedVideoOnLoad = false;
	var showVideoInLightbox = false;

	
	function goClicked() {
		$('#youmax').empty().append(' loading ...');
		youTubeChannelURL=$('#youTubeChannelUrl').val();
		youTubePlaylistURL=$('#youTubePlaylistUrl').val();
		youmaxFeaturedPlaylistId = null;
		prepareYoumax();
	}
